diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/conftest.py b/tests/conftest.py
index 8a849bf..1f74975 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,4 +1,4 @@
 pytest_plugins = [
-    "direnv_project",
-    "root",
+    "tests.direnv_project",
+    "tests.root",
 ]
diff --git a/tests/direnv_project.py b/tests/direnv_project.py
index ebca017..d568183 100644
--- a/tests/direnv_project.py
+++ b/tests/direnv_project.py
@@ -6,7 +6,8 @@ from tempfile import TemporaryDirectory
 from typing import Iterator
 
 import pytest
-from procs import run
+
+from .procs import run
 
 
 @dataclass
diff --git a/tests/test_gc.py b/tests/test_gc.py
index e46fcfd..48a62ad 100644
--- a/tests/test_gc.py
+++ b/tests/test_gc.py
@@ -3,9 +3,9 @@ import sys
 import unittest
 
 import pytest
-from direnv_project import DirenvProject
-from procs import run
 
+from .direnv_project import DirenvProject
+from .procs import run
 
 def common_test(direnv_project: DirenvProject) -> None:
     run(["nix-collect-garbage"])
diff --git a/tests/test_use_nix.py b/tests/test_use_nix.py
index 0c79fa5..ce85a35 100644
--- a/tests/test_use_nix.py
+++ b/tests/test_use_nix.py
@@ -5,8 +5,9 @@ import unittest
 from typing import Optional
 
 import pytest
-from direnv_project import DirenvProject
-from procs import run
+
+from .direnv_project import DirenvProject
+from .procs import run
 
 
 def direnv_exec(